Re: [PATCH 7/8] arm64: tegra: Update AHUB clock parent and rate on Tegra234

Mark Brown
2023-06-22T12:13:34Z

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On Thu, Jun 22, 2023 at 05:04:15PM +0530, Sameer Pujar wrote:
> From: Sheetal <sheetal@nvidia.com>
>
> I2S data sanity tests fail beyond a bit clock frequency of 6.144MHz.
> This happens because the AHUB clock rate is too low and it shows
> 9.83MHz on boot.
>
> The maximum rate of PLLA_OUT0 is 49.152MHz and is used to serve I/O
> clocks. It is recommended that AHUB clock operates higher than this.
> Thus fix this by using PLLP_OUT0 as parent clock for AHUB instead of
> PLLA_OUT0 and fix the rate to 81.6MHz.
>
> Fixes: dc94a94daa39 ("arm64: tegra: Add audio devices on Tegra234")
> Cc: stable@vger.kernel.org
> Signed-off-by: Sheetal <sheetal@nvidia.com>

Fixes should come before cleanups in a patch series to ensure that they
can be applied and sent as fixes without dependencies on non-fixes.

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